# Calculator SC vs SysX Buddy

The clearest difference is rating: SysX Buddy at 5.0 against Calculator SC's 4.7. SysX Buddy also leads on review sentiment (100% vs 83%) and chart position (#199 vs unranked). Calculator SC's advantage is ratings volume (118 vs 3) and device support (5 vs 3). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Calculator SC costs $3.99 and SysX Buddy $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SysX Buddy holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Calculator SC has 118 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 83% of Calculator SC's written reviews are positive against 100% of SysX Buddy's.

Calculator SC ships an update every 5 months, SysX Buddy every 3 months. The most recent releases landed on October 31, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Calculator SC | SysX Buddy |
| --- | --- | --- |
| Price | **$3.99** | $4.99 |
| Rating | [4.7 (118 ratings)](https://appshunter.io/ios/app/calculator-sc-323pu/id301290196/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/sysx-buddy/id6748940731/reviews)** |
| Number of ratings | **118** | 3 |
| Positive reviews | 83.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#199** |
| Size | 15 MB | 1 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Öllinger](https://appshunter.io/developer/301290199) | [Ryouta Kira](https://appshunter.io/developer/862984358) |

## What reviewers say

### Calculator SC

[App page](https://appshunter.io/ios/app/calculator-sc-323pu/id301290196)

This app provides a multi-functional calculator with a familiar interface. It includes scientific, unit conversion, and logic calculation modes, along with extensive mathematical functions and constants. Calculations can be shared across modes, and it supports copy-paste functionality.

**Highlights:** Scientific calculator mode, Unit converter and calculator, Logic calculator (n-base conversion), Algebraic logic and calculation priority, Variables and memories, Complex number calculations, Unit and currency converter

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Mimics classic calculators
- 🚀 Fast and efficient
- 📚 Detailed manual included
- 💰 Great value for money
- 🔄 Continuously updated

**What reviewers complain about**

- 🐛 Comma behind every number
- 🐛 Angle unit display bug
- 🐛 Rounding errors with fractions
- 🐛 Incorrect handling of negative number exponentiation
- 🐛 Watch app functionality issues

**Reported bugs**

- Deg/Rad mode switching bug with inverse tangent function
- Rounding error when using fractions
- Incorrectly calculates negative numbers squared
- Watch app not working
- App opens not working after update

**Requested features**

- Ability to change ordering of fundamental constants
- Display expressions in scientific mode
- Larger font size for expressions in DAL
- Option to revert to older UI design
- Quadratic equation solver mode


### SysX Buddy

[App page](https://appshunter.io/ios/app/sysx-buddy/id6748940731)

**Currently charting:** #199 Top Paid · Utilities (US App Store)

Manage MIDI System Exclusive messages on your iPhone or iPad. This utility allows you to send, receive, edit, and organize SysEx data for vintage synthesizers and sound modules. It supports external MIDI devices and BLE-MIDI, bridging classic instruments with modern mobile technology.

**Highlights:** Send and receive MIDI SysEx messages, File manager with folder creation, Hex viewer for SysEx data, Create and edit SysEx files, Support for USB MIDI devices, Support for BLE-MIDI, iCloud Drive integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator SC free?

Calculator SC costs $3.99, with no in-app purchases.

### Is SysX Buddy free?

SysX Buddy costs $4.99, with no in-app purchases.

### Which has better reviews, Calculator SC or SysX Buddy?

SysX Buddy is rated higher. Calculator SC averages 4.7 out of 5 from 118 ratings, while SysX Buddy averages 5.0 from 3 ratings.

### Do Calculator SC or SysX Buddy have ads?

Neither Calculator SC nor SysX Buddy shows ads.

### Which is updated more often, Calculator SC or SysX Buddy?

Calculator SC ships an update every 5 months, and SysX Buddy every 3 months. Most recently, Calculator SC was updated on October 31, 2026 and SysX Buddy on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*